// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_
#define UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_

#include <stddef.h>

#include <string>
#include <vector>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "ui/app_list/search_result_observer.h"
#include "ui/app_list/views/search_result_actions_view_delegate.h"
#include "ui/views/context_menu_controller.h"
#include "ui/views/controls/button/custom_button.h"

namespace gfx {
class RenderText;
}

namespace views {
class ImageButton;
class ImageView;
class MenuRunner;
}

namespace app_list {
namespace test {
    class SearchResultListViewTest;
} // namespace test

class ProgressBarView;
class SearchResult;
class SearchResultListView;
class SearchResultViewDelegate;
class SearchResultActionsView;

// SearchResultView displays a SearchResult.
class APP_LIST_EXPORT SearchResultView
    : public views::CustomButton,
      public views::ButtonListener,
      public views::ContextMenuController,
      public SearchResultObserver,
      NON_EXPORTED_BASE(public SearchResultActionsViewDelegate) {
public:
    // Internal class name.
    static const char kViewClassName[];

    explicit SearchResultView(SearchResultListView* list_view);
    ~SearchResultView() override;

    // Sets/gets SearchResult displayed by this view.
    void SetResult(SearchResult* result);
    SearchResult* result() { return result_; }

    // Clears reference to SearchResult but don't schedule repaint.
    void ClearResultNoRepaint();

    // Clears the selected action.
    void ClearSelectedAction();

    // Computes the button's spoken feedback name.
    base::string16 ComputeAccessibleName() const;

    void set_is_last_result(bool is_last) { is_last_result_ = is_last; }

private:
    friend class app_list::test::SearchResultListViewTest;

    void UpdateTitleText();
    void UpdateDetailsText();
    void UpdateAccessibleName();

    // views::View overrides:
    const char* GetClassName() const override;
    gfx::Size GetPreferredSize() const override;
    void Layout() override;
    bool OnKeyPressed(const ui::KeyEvent& event) override;
    void ChildPreferredSizeChanged(views::View* child) override;
    void OnPaint(gfx::Canvas* canvas) override;

    // views::ButtonListener overrides:
    void ButtonPressed(views::Button* sender, const ui::Event& event) override;

    // views::ContextMenuController overrides:
    void ShowContextMenuForView(views::View* source,
        const gfx::Point& point,
        ui::MenuSourceType source_type) override;

    // SearchResultObserver overrides:
    void OnIconChanged() override;
    void OnBadgeIconChanged() override;
    void OnActionsChanged() override;
    void OnIsInstallingChanged() override;
    void OnPercentDownloadedChanged() override;
    void OnItemInstalled() override;

    void SetIconImage(const gfx::ImageSkia& source,
        views::ImageView* const icon,
        const int icon_dimension);

    // SearchResultActionsViewDelegate overrides:
    void OnSearchResultActionActivated(size_t index, int event_flags) override;

    SearchResult* result_; // Owned by AppListModel::SearchResults.

    bool is_last_result_;

    // Parent list view. Owned by views hierarchy.
    SearchResultListView* list_view_;

    views::ImageView* icon_; // Owned by views hierarchy.
    views::ImageView* badge_icon_; // Owned by views hierarchy.
    scoped_ptr<gfx::RenderText> title_text_;
    scoped_ptr<gfx::RenderText> details_text_;
    SearchResultActionsView* actions_view_; // Owned by the views hierarchy.
    ProgressBarView* progress_bar_; // Owned by views hierarchy.

    scoped_ptr<views::MenuRunner> context_menu_runner_;

    DISALLOW_COPY_AND_ASSIGN(SearchResultView);
};

} // namespace app_list

#endif // UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_
